Olympiad Test Level 2: Computing Operations
15 Questions MCQ Test Mathematics Olympiad for Class 3 | Olympiad Test Level 2: Computing Operations
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The product of two numbers is 2,979. If one of the numbers is 9, the difference between the two numbers is ____________.
Product = 2,979
One number = 9
Other number = 2,979 ÷ 9 = 331
Difference between the two
numbers = 331 – 9 = 322
Maximum 4 boys can sit on a bench. How many benches are required for 432 boys to sit ?
Total boys = 432
Number of boys on each bench = 4
Total number of benches needed = 432 ÷ 4 = 108 benches
The remainder when 780 is divided by 9 is ____________.
Arrange the following pencils in groups in such a way that each group can contain 5 pencils. How many such groups will be formed ?
Total pencils = 20
Number of pencils in each group = 5
Number of groups = 20 ÷ 5 = 4
Ashima participated in a charity fair for a week. She had a stall of toys in the fair. Ashima sold 123 toy cars, 89 dolls and 100 balls in a week. How many toys did Ashima sell in all ?
Total number of toys sold = 123 + 89 + 100 = 312
The difference between the smallest and the greatest four digit number formed by the given digits, using each digit only once is _________.
9 7 8 5
Greatest number of
four digits that can be formed is 9,875.
Smallest number of four digits that can be formed is 5,789.
Difference = 9,875 – 5,789 = 4,086
The cost of 5 mobile phones is ₹45,000. What is the cost of 12 such mobile phones ?
Cost of 5 mobile phones = ₹ 45,000
Cost of 1 mobile phone
= ₹ 45,000 ÷ 5 = ₹ 9,000
Cost of 12 mobile phones
= ₹ 9,000 × 12 = ₹ 108,000
Riya’s room has 5 shelves to keep books. Each shelf can have 13 books. If Riya has 82 books, then how many books will be left after arranging the books in 5 shelves ?
Total books = 82
Books that can be arranged on shelves = 5 × 13 = 65
Number of books left = 82 – 65 = 17
Kavya bought 12 dozen bananas. She gave 5 dozen bananas to her brother and used 8 bananas to make a shake. How many bananas were left with her ?
Total bananas = 12 dozens
Bananas given to brother = 5 dozens
Bananas left = 12 dozens – 5 dozens
= 7 dozens = 7×12 = 84
Bananas used for making a shake = 8
Bananas left in the end = 84 – 8 = 76
During a discount sale on a shop, 197 customers visit on the first day, 220 more customers visit on the second day than the first day. How many customers visit the shop on both days together ?
Number of customers on first day = 197
Number of customers on second day = 197 + 220 = 417
Total number of visitors on both days = 197 + 417 = 614
Rohan distributed ₹ 9,876 equally among 12 children. How much did each child get ?
Each child gets
₹ 9,876 ÷ 12 = ₹ 823
The sum of a mystery number and 8,900 is 100 less than 9,500. What is the mystery number ?
Mystery number +8,900 = 9,500 – 100 = 9,400
⇒ Mystery number = 9,400 – 8,900
= 500
Riya, Seema and Sonia bought some books. Sonia bought 10 books. Riya bought 5 more books than Sonia. Seema bought 3 more books than Riya. How many books did they buy in all ?
Number of books bought by Sonia = 10 books
Number of books bought by Riya
= 10 + 5 = 15 books
Number of books bought by Seema
= 15 + 3 = 18 books
Total number of books bought by them = 10 + 15 + 18 = 43 books
In the following figure, Alex multiplied the greatest and the smallest number and then he added the rest of the numbers to the product. Find the result.
Largest number = 8
Smallest number = 1
Product = 8 × 1 = 8
Sum = 8 + 5 + 2 + 3 + 4 + 6 = 28
A reporter wrote a report, which was published in a newspaper. It has 26 words in each line. If the report has 58 lines, how many words are there in all the reports ?
Number of words in each line = 26
Number of lines = 58
Total number of words = 26 × 58
= 1,508
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26 videos|26 docs|32 tests
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